Dental mouth prop



FIG. 1 is a top perspective view of a dental mouth prop showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation thereof;

FIG. 5 is a left end elevation thereof;

FIG. 6 is a right end elevation thereof; and

FIG. 7 is a top plan view of the handle element shown separately for clarity of illustration. 

The ornamental design for a dental mouth prop, as shown. 